<div class="input-group">
    <div class="input-group-prepend">
        <span class="input-group-text">${4:Text}</span>
    </div>
    <input class="form-control" type="${1|text,number,email,password|}" name="$2" placeholder="${3:Recipient's $1}" aria-label="$3">
    <div class="input-group-append">
        <span class="input-group-text">${5:Text}</span>
    </div>
</div>